Now Playing

3/29/2016 7:00PM

World's Largest Aircraft Ready for Takeoff

Just north of London, one of the world's most unusual aircraft is taking shape. Hybrid Air Vehicles is trying to bring gas-filled blimps back into style with the launch of its Airlander 10. When will we see blimps flying commercially? As early as the end of the decade, reports Robert Wall. Photo: AP